Reflection

You'll build internal and customer-facing product surfaces for an AI company developing open-weight models. Your work will directly accelerate the development of superintelligence. You'll own delivery from prototype to production, shaping platform defaults for future systems.

You'll build and lead the operational engine behind the Sovereign team, supporting high-impact deals and driving operational rigor. Your core impact will be creating the structure and systems that allow the team to execute at the highest level. This role is crucial for enabling **complex enterprise/government contracts** and **cross-functional alignment**.

You'll secure **geographically diverse multi-cloud Kubernetes** and **cloud environments** while building infrastructure security controls from the ground up. You'll define a long-term security vision and roadmap that ensures the integrity of our core technology. This role offers the chance to work with a **talent-dense team** at the frontier of open foundational models.

You'll own **global benefits programs** end-to-end for a **fast-growing AI company**. You will define strategy, negotiate vendor contracts, and ensure programs are competitive and cost-effective. This high-ownership role offers real scope to build world-class benefits from the ground up.

You'll own **performance management programs** and **career architecture** for an AI frontier company. Your work will directly shape how talent is evaluated, developed, and advanced as the company scales. This is a build-from-scratch opportunity at a small, high-impact team.

You'll drive **AI adoption** across enterprises, owning the end-to-end deployment lifecycle. You'll blend strategic advisory with hands-on leadership, working with **Korean and English clients**. You'll deliver measurable business outcomes in a **fast-moving, ambiguous environment**.

You'll build and own Reflection's presence in developer and research communities, **cultivating trusted relationships** with key figures in open AI. You'll shape community programs and events, **owning ambassador and developer programs** end-to-end. Your work will **bring community signal back** to inform product strategy.

You'll embed with pre-training ML and data teams to accelerate frontier model development, acting as a **force multiplier** for researchers. You'll bring clarity to ambiguity and drive decisions on **data pipeline coordination** and **experiment planning**. You'll define how research program management works at a startup building open-weight AGI.

You'll build **model evaluation frameworks** and **safety operations** from scratch at an open-weight AI startup. You'll embed with research teams to accelerate frontier model development while ensuring rigorous safety standards.

You'll embed with research and infrastructure teams to accelerate frontier model development, owning cross-functional programs spanning training infrastructure. You'll be a force multiplier, driving clarity and decisions to ensure massive training runs succeed. **This role focuses on scaling our research infrastructure** and requires a **first-responder mentality** to manage incidents and drive continuous improvement.

You'll be the primary legal partner to Strategy and Operations teams on **complex infrastructure projects**, owning the negotiation of agreements for **Reflection's AI buildout**. You'll operate with significant autonomy to build playbooks for a function that does not yet exist.

You'll build Reflection's Application Security function from the ground up, contributing to projects across the entire Security Engineering organization. Your work will directly impact **agentic AI incident detection** and **supply chain security** for cutting-edge AI models. This role offers high autonomy in a fast-paced startup environment.

You'll lead **complex agentic AI deployments** for enterprise customers using **state-of-the-art models**. You'll own end-to-end technical strategy from pre-sales to production, bridging cutting-edge research with real-world impact. This role offers the chance to shape a new FDE function at a top AI startup.

You'll partner with Deployment Strategists and Sales to **architect agentic systems** for enterprise customers. You'll build AI solutions using **state-of-the-art models** and modern AI stacks. This role offers a chance to help define the frontier of open foundational models.

You'll serve as the primary People Team point of contact for employees and managers **in the UK**, managing the full employee lifecycle while **shaping people practices** for a fast-growing AI company. You'll **partner with managers** on ER, performance, and organizational effectiveness.

You'll drive enterprise adoption of **Reflection's open superintelligence models**, owning the end-to-end AI deployment lifecycle from use case identification to scaled adoption. You'll blend strategic advisory with hands-on leadership, working with Account Executives and Forward Deployed Engineers to deliver measurable business outcomes. This role offers the opportunity to **define the frontier of open foundational models** while navigating fast-moving, ambiguous environments.

You'll serve as a **strategic advisor** to senior leaders across technical and non-technical teams, building the **HRBP function from the ground up**. You will define management infrastructure and people frameworks that scale with the company's growth. This is a foundational role at a **talent-dense AI startup**.

You'll **set sourcing strategy** across all searches and **own hands-on sourcing** for the hardest roles at an AI company building open superintelligence. You'll **coach and develop the team** to raise the bar on pipeline quality.

You'll own **day-to-day office operations** for Reflection's fast-growing NYC office, ensuring the ~8,000 sq ft space is functional and welcoming. You'll partner with **People Ops and IT** to support seamless onboarding and coordinate events. This is a high-ownership role at the center of a **talent-dense startup** building open superintelligence.

You'll own dataset provenance, training-data summaries, DPIAs, and the privacy and compliance posture of Reflection AI's training and evaluation data. You'll produce **audit-ready data provenance records** and enforce prohibited-source and license controls. This role allows you to shape data governance at a superintelligence startup.

You'll join Reflection's data team to ensure high-quality data for training open-weight AI models. You'll **operationalize quality standards** for reasoning and alignment data, partnering with post-training teams. This role offers the chance to **shape data-driven AI breakthroughs** at a cutting-edge startup.

You'll research and build **solutions across algorithms, scaling laws, data processing, optimizers, and model architecture** for open-weight AI models. You'll **design and run scientific experiments to advance large language model scaling** and contribute to the full stack from low-level optimizations to high-level model design.

You'll join a small talent-dense team building **open superintelligence** from the ground up. You'll help define the frontier of **open foundational models** and shape our company's future. This role offers top-tier compensation and comprehensive support.

You'll own the red-teaming and adversarial evaluation pipeline for **Reflection's open-weight AI models**, probing for failure modes across security, misuse, and alignment gaps. You'll work hand-in-hand with the Alignment team to translate safety findings into **concrete guardrails** for every release. This role is a critical gatekeeper for **open-weight model shipping**.

You'll build and scale **distributed training systems** for frontier model pre-training at a startup building **open superintelligence**. You'll collaborate with research teams to optimize training runs across thousands of GPUs. Join a **talent-dense team** from DeepMind, OpenAI, and Google Brain.

You'll lead Reflection AI's engagement across Congress and the Executive Branch, driving the **federal legislative agenda** for an **open superintelligence company**. Your work will directly shape AI policy at this crucial moment.

You'll conduct **critical comparative analysis** to advance understanding of model capabilities and build **tight feedback loops** between data, evals, and model behavior. You'll collaborate with pre-training, post-training, and applied teams to translate insights into **model improvements**.

You'll partner with leaders to strengthen team performance and organizational health. You'll **build the HRBP function from the ground up**, establishing core management toolkits and org design rigor. You'll help ensure we scale with **intentionality and high performance**.

You'll own **data quality for LLM pre-training** at an AI research company building open superintelligence. You'll design **automated quality checks** and collaborate with researchers to turn data quality insights into **measurable standards** that impact model performance.

You'll design and build **large-scale GPU infrastructure** for high-throughput model inference and mid-training workloads. Your work will power **synthetic data generation** and reinforcement learning pipelines at scale. Join a small talent-dense team building open foundation models from the ground up.

You'll **design and optimize core training infrastructure** for frontier AI models, bridging research and production. Your impact includes building RL training loops, distributed GPU systems, and petabyte-scale data pipelines. You'll work on **open superintelligence** that is accessible to all.

You'll drive sovereign revenue in the Middle East & Africa, owning the full deal lifecycle from market development through close. You'll build trusted relationships with **senior government officials** and translate complex engagements into **long-term partnerships**. This is a high-ownership role with meaningful influence on **Reflection's global expansion**.

You'll build and operate the **foundational platform layer** that every engineering team at Reflection depends on. Your work will define **golden paths for cloud infrastructure** and **developer tooling** to enable rapid, secure shipping. This role offers the chance to shape the infrastructure behind open-weight AI systems.

You'll own and evolve **compensation and benefits programs** for a high-growth AI company. You will ensure pay practices are competitive, equitable, and aligned with business strategy while building **scalable total rewards frameworks**. This role offers the chance to shape how we think about pay, equity, and incentives at a company building open superintelligence.

You'll join Reflection's Compute Platform team to keep our compute layer **healthy and highly available** across multiple neo-clouds. You'll work on **K8s-based cluster management**, multi-cloud scheduling, and performance debugging at scale. This role offers **genuinely hard systems problems** at the frontier of AI infrastructure.

You'll architect and build **complex agentic systems** using state-of-the-art models for enterprise customers. You'll own end-to-end deployments across hybrid environments, ensuring **production-grade scalability and reliability**. Join a talent-dense team building **open superintelligence** at the frontier of AI research.

You'll develop Reflection's data strategy and own partnerships end-to-end, working with top AI researchers to design sourcing pipelines that directly shape model capabilities. Your work will enable **critical advances in agentic tool use** and **long-horizon reasoning** while building deep knowledge of the data ecosystem.

You'll drive sovereign revenue in EMEA by owning the full deal lifecycle from market development to close. You'll work at the forefront of **advanced technology adoption**, building trusted relationships with senior stakeholders and translating complex engagements into **durable long-term partnerships**. This high-ownership role offers meaningful influence on the company's global expansion.

You'll partner with customers to architect and deploy **agentic AI systems** using state-of-the-art models. You'll own technical delivery from discovery to production, working with **research teams** to fine-tune models for specific needs. This role offers a chance to **define the frontier of open foundational models** at an early-stage startup.

You'll own sovereign revenue in APAC, driving the full deal lifecycle from market development to close. You'll build trusted relationships with senior government officials and strategic partners, translating complex engagements into durable partnerships. This high-ownership role offers meaningful influence on our global expansion.

You'll join a small talent-dense team building **open superintelligence** for everyone. You'll drive research and engineering to transform pre-trained models into aligned, general agents through **post-training techniques** like reinforcement learning. This role offers the chance to define the frontier of open foundational models.

You'll build and operate large-scale **data ingestion systems** for training frontier AI models. Your work directly impacts **model performance** through better data acquisition. You'll collaborate with world-class researchers in a **hybrid research-engineering role**.

You'll drive **sovereign revenue** in the Western Hemisphere, owning the full deal lifecycle from market development to close. This high-ownership role shapes **Reflection's global expansion** through complex, multi-party engagements.

You'll join Reflection's foundations team to **build and operate core shared services** for research and production. You'll ensure **reliability through SLIs, SLOs, and on-call practices** while reducing operational burden with better tooling and platform patterns.

You'll own end-to-end recruitment for **G&A and GTM teams** at a rapidly growing AI company. You'll partner with hiring managers across departments to shape the non-technical foundation of **open superintelligence**. This role offers the chance to build from the ground up with a small, talent-dense team.

You'll manage **operational IT requests** and support **executives and engineers** with daily problems. You'll define systems and processes to improve IT efficiency. This role offers the chance to **build from the ground up** at a leading AI startup.

You'll fine-tune Reflection's open-weight models for enterprise customers' specific domains, building evaluation infrastructure and deploying models to production. You will work hands-on with customer data, run fine-tuning workflows, and **debug training issues** while contributing to best practices. This role offers **direct impact on customer success** and collaboration with top AI researchers.

You'll own **model releases** end-to-end at a startup building open-weight AI. You'll shape product direction, lead open-source community, and drive go-to-market. This is a deliberately wide charter for PMs who thrive without narrow scope.

You'll architect and deploy **agentic AI applications** for enterprise customers, owning end-to-end technical strategy from pre-sales to production. You'll bridge **cutting-edge research with real-world deployment** across hybrid cloud and on-prem environments. Shape and scale the Forward Deployed Engineering team at a frontier AI startup.